<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
            *{
                margin:0;
                padding:0;
            }
            body{
                display: flex;
                align-items: center;
                justify-content: center;
                min-height: 100vh;
            }
            .container{
                position: relative;
                width: 1500px;
                display: flex;
                align-items: center;
                justify-content: space-between;
            }
            .container .pixel {
                position:relative;
                width: 400px;
                height: 400px;
                background: #000;
            }
            .container .pixel img{
                position: absolute;
                top: 0;
                left: 0;
                width: 100%;
                height: 100%;
                image-rendering: pixelated;
            }
            .container .pixel img:last-child{
                transition: 2s;
            }
            .container .pixel:hover img:last-child{
                transition: 2s;
                opacity: 0;
            }
    </style>
</head>
<body>
    <div class="container">
        <div class="pixel">
            <img src="./imgs/400X400_02.jpg" alt="">
            <img src="./imgs/20X20_02.jpg" alt="">
        </div>
        <div class="pixel">
            <img src="./imgs/400X400_01.jpg" alt="">
            <img src="./imgs/20X20_01.jpg" alt="">
        </div>
        <div class="pixel">
            <img src="./imgs/400X400_03.jpg" alt="">
            <img src="./imgs/20X20_03.jpg" alt="">
        </div>
    </div>
</body>
<script>

</script>
</html>
